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It includes migrations such as moving sheep or cattle to higher elevations during summer to escape heat and find more forage. Human labor often moves with fruit harvest, or to other crops that require manual picking. While the culture of many crops has become entirely mechanized, others, such as fruits and vegetables still require manual labor, at least for harvest, and some, such as tobacco, still need manual labor for its culture. Much of this work was once provided by housewives and students, but these are less available now, and farms are larger. Today migratory workers provide much of the hand labor required in agriculture in the US and some other countries. Labor contractor s arrange with farmers to provide the necessary help at the seasonal time, oftentimes with foreign nationals whose employment opportunities are more limited in their home areas.

A number of migratory businessmen move with their combines to follow the wheat harvest in the United States and Canada as the season moves north. Some crop dusters are also migratory, following seasonal patterns of need.

Most commercial beekeepers in the US are migratory, spending winterThis article is about the winter season. For other uses of the term, see winter (disambiguation). Winter is one of the four seasons of temperate zones. Astronomically, it begins with the winter solstice (around December 21 in the Northern hemisphere and J in warm climates and moving with the spring to follow the bloom, or pollinationPollination is an important step in the reproduction of seed plants: the transfer of pollen grains (male gametes) to the plant carpel, the structure that contains the ovule (female gamete). The receptive part of the carpel is called a stigma in the flower contractA contract is any promise or set of promises made by one party to another for the breach of which the law provides a remedy. The promise or promises may be express (either written or oral) or may be implied from circumstances. Typically, the remedy for brs for almondThis article refers to the plant. For other uses see Almond (disambiguation Prunus dulcis ( Mill. Webb The almond Prunus dulcis (formerly classified as Prunus amygdalus or Amygdalus communis is a small deciduous tree belonging to the Subfamily Prunoideaes, appleMalus domestica Malus sieversii Apple is the fruit ( pome) of the genus Malus belonging to the family Rosaceae, and is one of the most widely cultivated tree fruits. Table apples are of the species M. domestica or hybrids of it. Botanical origins Kazakhst, blueberriesFor the comic book character, see Mike Blueberry Blueberry Scientific classification Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Ericales Family: Ericaceae Genus Vaccinium Species Vaccinium angustifolium Vaccinium arboreum Vaccini and other fruits and vegetables that require beeThis article is about the insect. For the character B, see B. Andrenidae Anthophoridae Apidae Colletidae Ctenoplectridae Halictidae Heterogynaidae Megachilidae Melittidae Oxaeidae Sphecidae Stenotritidae Bees Apoidea superfamily) are flying insects, closes. Migratory beekeeping is also practiced in FranceThe French Republic or France ( French: Republique francaise or France is a country whose metropolitan territory is located in western Europe, and which is further made up of a collection of overseas islands and territories located in other continents., Australia, South Africa, Argentina, and to a lesser extent in other nations.

Some researchers suggest that snowbirds — Canadian and US citizens who move to warmer climates during the winter — exhibit patterns of seasonal migration. Although these people are not moving for agricultural reasons, they do move with the seasons. For example, many residents of Ontario, Canada move to Florida, USA during the winter. The practice actually dates back to colonial times, when Bostonians of means would often go (by sea) to Charleston or Savannah for winter.